IT1022043B - SYMMETRIC DIVIDER OF FREQUENCY FOR AN ODD NUMBER K - Google Patents

SYMMETRIC DIVIDER OF FREQUENCY FOR AN ODD NUMBER K

Info

Publication number
IT1022043B
IT1022043B IT23674/74A IT2367474A IT1022043B IT 1022043 B IT1022043 B IT 1022043B IT 23674/74 A IT23674/74 A IT 23674/74A IT 2367474 A IT2367474 A IT 2367474A IT 1022043 B IT1022043 B IT 1022043B
Authority
IT
Italy
Prior art keywords
frequency
odd number
symmetric divider
divider
symmetric
Prior art date
Application number
IT23674/74A
Other languages
Italian (it)
Inventor
Pietro Basili
Umberto Rossi
Original Assignee
Sits Soc It Telecom Siemens
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Priority to IT23674/74A priority Critical patent/IT1022043B/en
Priority to BR2714/75D priority patent/BR7502133A/en
Priority to FR7511674A priority patent/FR2274176A1/en
Priority to GB2182075A priority patent/GB1466230A/en
Priority to US05/583,903 priority patent/US3967205A/en
Priority to DE19752525072 priority patent/DE2525072A1/en
Application granted granted Critical
Publication of IT1022043B publication Critical patent/IT1022043B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/70—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a base which is an odd number
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/02—Input circuits
    • H03K21/026—Input circuits comprising logic circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • H03K23/667—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by switching the base during a counting cycle
IT23674/74A 1974-06-06 1974-06-06 SYMMETRIC DIVIDER OF FREQUENCY FOR AN ODD NUMBER K IT1022043B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT23674/74A IT1022043B (en) 1974-06-06 1974-06-06 SYMMETRIC DIVIDER OF FREQUENCY FOR AN ODD NUMBER K
BR2714/75D BR7502133A (en) 1974-06-06 1975-04-09 SYMMETRIC FREQUENCY DIVIDER
FR7511674A FR2274176A1 (en) 1974-06-06 1975-04-15 FREQUENCY DIVIDER CIRCUIT
GB2182075A GB1466230A (en) 1974-06-06 1975-05-21 Frequency dividers for dividing by odd numbers
US05/583,903 US3967205A (en) 1974-06-06 1975-06-05 Frequency dividing network with odd integral step-down ratio
DE19752525072 DE2525072A1 (en) 1974-06-06 1975-06-05 SYMMETRICAL FREQUENCY DIVIDER FOR DIVIDING BY AN ODD NUMBER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23674/74A IT1022043B (en) 1974-06-06 1974-06-06 SYMMETRIC DIVIDER OF FREQUENCY FOR AN ODD NUMBER K

Publications (1)

Publication Number Publication Date
IT1022043B true IT1022043B (en) 1978-03-20

Family

ID=11209055

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23674/74A IT1022043B (en) 1974-06-06 1974-06-06 SYMMETRIC DIVIDER OF FREQUENCY FOR AN ODD NUMBER K

Country Status (6)

Country Link
US (1) US3967205A (en)
BR (1) BR7502133A (en)
DE (1) DE2525072A1 (en)
FR (1) FR2274176A1 (en)
GB (1) GB1466230A (en)
IT (1) IT1022043B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092604A (en) * 1976-12-17 1978-05-30 Berney Jean Claude Apparatus for adjusting the output frequency of a frequency divider
US4193037A (en) * 1978-03-20 1980-03-11 Motorola, Inc. Frequency divider circuit with selectable integer/non-integer division
US4200842A (en) * 1978-04-13 1980-04-29 Norlin Industries, Inc. Switchable divider
DE2849797C2 (en) * 1978-11-16 1982-03-11 Siemens AG, 1000 Berlin und 8000 München Digital frequency divider arrangement
US4267512A (en) * 1979-01-22 1981-05-12 Rustenburg William C Digital frequency divider
JPS55123239A (en) * 1979-03-15 1980-09-22 Matsushita Electric Ind Co Ltd Programmable divider
US4399549A (en) * 1981-08-18 1983-08-16 Zenith Radio Corporation Odd number frequency division with symmetrical output
GB2138186A (en) * 1983-04-08 1984-10-17 Philips Electronic Associated Pulse train divider arrangement
US4807266A (en) * 1987-09-28 1989-02-21 Compaq Computer Corporation Circuit and method for performing equal duty cycle odd value clock division and clock synchronization
US5029191A (en) * 1990-01-29 1991-07-02 Allied-Signal Inc. Binary counter with resolution doubling
FI88567C (en) * 1991-07-04 1993-05-25 Nokia Mobile Phones Ltd A synchronous 2N + 1 divider is generated
US5526392A (en) * 1995-02-28 1996-06-11 Harris Corporation Method of scaling the outputs of a binary counter
EP0766403B1 (en) * 1995-09-28 2003-12-10 Sanyo Electric Co. Ltd Variable frequency divider
EP1020994A1 (en) * 1995-11-22 2000-07-19 Sanyo Electric Co., Ltd. PLL with variable (N+1/2) frequency dividing ratio
EP1005164B1 (en) * 1996-01-09 2002-11-20 SANYO ELECTRIC Co., Ltd. Variable frequency divider

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044065A (en) * 1957-08-05 1962-07-10 Sperry Rand Corp Electronic programming means for synchronizing a plurality of remotely located similar means
US3409761A (en) * 1965-10-07 1968-11-05 Burroughs Corp Counter
US3546597A (en) * 1968-03-28 1970-12-08 Collins Radio Co Frequency divider circuit
BE756598A (en) * 1969-11-17 1971-03-01 Ampex DELAY CIRCUITS
JPS5135340B2 (en) * 1971-11-12 1976-10-01

Also Published As

Publication number Publication date
GB1466230A (en) 1977-03-02
US3967205A (en) 1976-06-29
DE2525072A1 (en) 1975-12-18
BR7502133A (en) 1976-05-25
FR2274176A1 (en) 1976-01-02
FR2274176B1 (en) 1977-04-15

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